<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"> <style>
	.KEYW {color: #933;}
	.COMM {color: #bbb; font-style: italic;}
	.NUMB {color: #393;}
	.STRN {color: #393;}
	.REGX {color: #339;}
	.line {border-right: 1px dotted #666; color: #666; font-style: normal;}
	</style></head><body><pre><span class='line'>  1</span> <span class="COMM">/**
<span class='line'>  2</span>  * Ajax工具类
<span class='line'>  3</span>  * @class
<span class='line'>  4</span>  */</span><span class="WHIT">
<span class='line'>  5</span> </span><span class="NAME">FDLib.ajax</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>  6</span> </span><span class="WHIT">	</span><span class="COMM">/**
<span class='line'>  7</span> 	 * 提交请求
<span class='line'>  8</span> 	 * @param options
<span class='line'>  9</span> 	 * { url:'',params:{},success:function(){},error:function(){} }
<span class='line'> 10</span> 	 */</span><span class="WHIT">
<span class='line'> 11</span> </span><span class="WHIT">	</span><span class="NAME">request</span><span class="PUNC">:</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">options</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 12</span> </span><span class="WHIT">		</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">url</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">options.url</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 13</span> </span><span class="WHIT">		</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">params</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">options.params</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 14</span> </span><span class="WHIT">		</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">callback</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">options.success</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">e</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="NAME">alert</span><span class="PUNC">(</span><span class="NAME">e</span><span class="PUNC">)</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 15</span> </span><span class="WHIT">		</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">error</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">options.error</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">e</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="NAME">alert</span><span class="PUNC">(</span><span class="STRN">'数据请求失败'</span><span class="PUNC">)</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 16</span> </span><span class="WHIT">		</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">xhr</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.createXhrObject</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 17</span> </span><span class="WHIT">		</span><span class="WHIT">
<span class='line'> 18</span> </span><span class="WHIT">		</span><span class="NAME">xhr.onreadystatechange</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 19</span> </span><span class="WHIT">			</span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">xhr.readyState</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NUMB">4</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 20</span> </span><span class="WHIT">				</span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 21</span> </span><span class="WHIT">			</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 22</span> </span><span class="WHIT">			</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">jsonData</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">JSON.parse</span><span class="PUNC">(</span><span class="NAME">xhr.responseText</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 23</span> </span><span class="WHIT">			</span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">xhr.status</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">200</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">xhr.status</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 24</span> </span><span class="WHIT">				</span><span class="NAME">callback</span><span class="PUNC">(</span><span class="NAME">jsonData</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 25</span> </span><span class="WHIT">			</span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 26</span> </span><span class="WHIT">				</span><span class="NAME">error</span><span class="PUNC">(</span><span class="NAME">jsonData</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 27</span> </span><span class="WHIT">			</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 28</span> </span><span class="WHIT">		</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 29</span> </span><span class="WHIT">		</span><span class="WHIT">
<span class='line'> 30</span> </span><span class="WHIT">		</span><span class="NAME">xhr.open</span><span class="PUNC">(</span><span class="STRN">'POST'</span><span class="PUNC">,</span><span class="NAME">url</span><span class="PUNC">,</span><span class="KEYW">false</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 31</span> </span><span class="WHIT">		</span><span class="NAME">xhr.setRequestHeader</span><span class="PUNC">(</span><span class="STRN">"Content-Type"</span><span class="PUNC">,</span><span class="STRN">"application/x-www-form-urlencoded"</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 32</span> </span><span class="WHIT">		</span><span class="NAME">xhr.send</span><span class="PUNC">(</span><span class="NAME">this._formatParamsToArr</span><span class="PUNC">(</span><span class="NAME">params</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 33</span> </span><span class="WHIT">	</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 34</span> </span><span class="WHIT">	</span><span class="PUNC">,</span><span class="NAME">_formatParamsToArr</span><span class="PUNC">:</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">params</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 35</span> </span><span class="WHIT">		</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">retArr</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 36</span> </span><span class="WHIT">		</span><span class="KEYW">for</span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">key</span><span class="WHIT"> </span><span class="KEYW">in</span><span class="WHIT"> </span><span class="NAME">params</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 37</span> </span><span class="WHIT">			</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">val</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">params</span><span class="PUNC">[</span><span class="NAME">key</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 38</span> </span><span class="WHIT">			</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">para</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">key</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">"="</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">val</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 39</span> </span><span class="WHIT">			</span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">this._isArray</span><span class="PUNC">(</span><span class="NAME">val</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 40</span> </span><span class="WHIT">				</span><span class="NAME">para</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this._formatArrParam</span><span class="PUNC">(</span><span class="NAME">key</span><span class="PUNC">,</span><span class="NAME">val</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 41</span> </span><span class="WHIT">			</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 42</span> </span><span class="WHIT">			</span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">para</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 43</span> </span><span class="WHIT">				</span><span class="NAME">retArr.push</span><span class="PUNC">(</span><span class="NAME">para</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 44</span> </span><span class="WHIT">			</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 45</span> </span><span class="WHIT">		</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 46</span> </span><span class="WHIT">		</span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">retArr.length</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 47</span> </span><span class="WHIT">			</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="STRN">''</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 48</span> </span><span class="WHIT">		</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 49</span> </span><span class="WHIT">		</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">retArr.join</span><span class="PUNC">(</span><span class="STRN">'&'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 50</span> </span><span class="WHIT">	</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 51</span> </span><span class="WHIT">	</span><span class="COMM">// 将数组转换成键值格式</span><span class="WHIT">
<span class='line'> 52</span> </span><span class="WHIT">	</span><span class="COMM">//  id:[1,2,3] --> id=1&id=2&id=3</span><span class="WHIT">
<span class='line'> 53</span> </span><span class="WHIT">	</span><span class="PUNC">,</span><span class="NAME">_formatArrParam</span><span class="PUNC">:</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">key</span><span class="PUNC">,</span><span class="NAME">vals</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 54</span> </span><span class="WHIT">		</span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">vals.length</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 55</span> </span><span class="WHIT">			</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="STRN">''</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 56</span> </span><span class="WHIT">		</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 57</span> </span><span class="WHIT">		</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">ret</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 58</span> </span><span class="WHIT">		</span><span class="KEYW">for</span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">=</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="NAME">len</span><span class="PUNC">=</span><span class="NAME">vals.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">&lt;</span><span class="NAME">len</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 59</span> </span><span class="WHIT">			</span><span class="NAME">ret.push</span><span class="PUNC">(</span><span class="NAME">key</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">"="</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">vals</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 60</span> </span><span class="WHIT">		</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 61</span> </span><span class="WHIT">		</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">ret.join</span><span class="PUNC">(</span><span class="STRN">'&'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 62</span> </span><span class="WHIT">	</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 63</span> </span><span class="WHIT">	</span><span class="PUNC">,</span><span class="NAME">_isArray</span><span class="PUNC">:</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">o</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 64</span> </span><span class="WHIT">		</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">Object.prototype.toString.apply</span><span class="PUNC">(</span><span class="NAME">o</span><span class="PUNC">)</span><span class="WHIT">
<span class='line'> 65</span> </span><span class="WHIT">			</span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'[object Array]'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 66</span> </span><span class="WHIT">	</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 67</span> </span><span class="WHIT">	</span><span class="COMM">/**
<span class='line'> 68</span> 	 * 创建XHR对象
<span class='line'> 69</span> 	 * @private
<span class='line'> 70</span> 	 */</span><span class="WHIT">
<span class='line'> 71</span> </span><span class="WHIT">	</span><span class="PUNC">,</span><span class="NAME">createXhrObject</span><span class="PUNC">:</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 72</span> </span><span class="WHIT">		</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">methods</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="WHIT">
<span class='line'> 73</span> </span><span class="WHIT">			</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT"> </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">XMLHttpRequest</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 74</span> </span><span class="WHIT">			</span><span class="PUNC">,</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT"> </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">ActiveXObject</span><span class="PUNC">(</span><span class="STRN">'Msxml2.XMLHTTP'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 75</span> </span><span class="WHIT">			</span><span class="PUNC">,</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT"> </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">ActiveXObject</span><span class="PUNC">(</span><span class="STRN">'Microsoft.XMLHTTP'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 76</span> </span><span class="WHIT">		</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 77</span> </span><span class="WHIT">		</span><span class="WHIT">
<span class='line'> 78</span> </span><span class="WHIT">		</span><span class="KEYW">for</span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">=</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="NAME">len</span><span class="PUNC">=</span><span class="NAME">methods.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">&lt;</span><span class="NAME">len</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 79</span> </span><span class="WHIT">			</span><span class="KEYW">try</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 80</span> </span><span class="WHIT">				</span><span class="NAME">methods</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 81</span> </span><span class="WHIT">			</span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">catch</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">e</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 82</span> </span><span class="WHIT">				</span><span class="KEYW">continue</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 83</span> </span><span class="WHIT">			</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 84</span> </span><span class="WHIT">			</span><span class="WHIT">
<span class='line'> 85</span> </span><span class="WHIT">			</span><span class="NAME">this.createXhrObject</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">methods</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 86</span> </span><span class="WHIT">			</span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">methods</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 87</span> </span><span class="WHIT">		</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 88</span> </span><span class="WHIT">		</span><span class="WHIT">
<span class='line'> 89</span> </span><span class="WHIT">		</span><span class="KEYW">throw</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Error</span><span class="PUNC">(</span><span class="STRN">"创建XHR对象失败"</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 90</span> </span><span class="WHIT">	</span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 91</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 92</span> 
<span class='line'> 93</span> </span></pre></body></html>